Filed under: Dietary supplements

Will C4 Extreme cause you to “pop positive” on a drug test? Read the OPSS FAQ to find out the answer.

HPRC has received many questions about C4 Extreme and whether or not it will result in a positive drug test. We have posted an OPSS FAQ to answer the question. Be sure to check back often as we add answers to other questions about ingredients in performance and weight-loss supplements and how to choose supplements safely. If you have additional questions about a particular dietary supplement ingredient or product, please use our “Ask the Expert” button located on the OPSS home page.

2012

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